235  
FNUS73 KLMK 282226  
FWSLMK  
 
SPOT FORECAST FOR LONG RUN...USFS  
NATIONAL WEATHER SERVICE LOUISVILLE KY  
626 PM EDT THU MAR 28 2024  
 
FORECAST IS BASED ON IGNITION TIME OF 0900 CDT ON MARCH 29.  
IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER  
SERVICE.  
   
DISCUSSION
 
HIGH PRESSURE OVER THE REGION WILL LEAD TO  
CONTINUED DRY CONDITIONS AND CLEAR SKIES. IN THE OVERNIGHT HOURS,  
HIGH PRESSURE WILL SLOWLY SHIFT TO THE SOUTHEAST OF THE REGION,  
WHICH WILL ALLOW FOR SOUTHWESTERLY FLOW TO RETURN TO THE OHIO  
VALLEY. FRIDAY, AMPLE ATMOSPHERIC MIXING UP TO 6000-7000 FEET WILL  
BRING DRY AIR DOWN TO THE SURFACE. MINIMUM RELATIVE HUMIDITY WILL  
BE IN THE 20-25% RANGE AND WINDS WILL GUST UP TO 15 MPH. BY THE  
AFTERNOON FRIDAY, SMOKE DISPERSION WILL BE EXCELLENT. OVER THE  
WEEKEND, SEVERAL SYSTEMS WILL MOVE THROUGH THE OHIO VALLEY  
BRINGING INCREASED SHOWERS AND STORMS.  
   
FRIDAY
 
 
SKY/WEATHER.........SUNNY (10-20 PERCENT).  
TEMPERATURE.........MAX 70.  
RH..................MIN 22 PERCENT.  
WIND (20 FT)........SOUTHWEST TO WEST-SOUTHWEST WINDS 6 TO 11 MPH.  
GUSTS NEAR 15 MPH.  
MIXING HEIGHT.......6500 FT AGL BY THE AFTERNOON.  
TRANSPORT WINDS.....WEST 16 TO 21 MPH.  
SMOKE DISPERSAL.....EXCELLENT (111700 KNOT-FT) IN THE AFTERNOON.  
LVORI...............2.  
ADI.................147 MAX.  
 
TIME (CDT) 9AM 10A 11A 12P 1PM 2PM 3PM 4PM  
SKY (%).........4 9 4 12 10 21 19 14  
TEMP............50 56 60 63 67 68 69 70  
RH..............62 53 48 41 31 27 24 22  
20 FT WIND DIR..W W W W W SW SW SW  
20 FT WIND SPD..5 5 6 6 6 7 8 9  
20 FT WIND GUST.11 12 12 12 13 13 14 14  
MIX HGT (KFT)...1.0 1.7 2.9 4.3 5.4 6.2 6.5 6.0  
TRANSP WIND DIR.W W W W W W W SW  
TRANSP WIND SPD.16 17 18 20 20 21 21 20  
LVORI...........2 1 1 1 1 1 1 1  
ADI.............21 37 66 99 84 142 147 131  
SDSPL KT-FT/100014 25 46 73 92 112 117 102  
   
FRIDAY NIGHT
 
 
SKY/WEATHER.........PARTLY CLOUDY (25-35 PERCENT) THEN BECOMING  
MOSTLY CLOUDY (55-65 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS OVERNIGHT.  
TEMPERATURE.........MIN 53.  
RH..................MAX 59 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 5 TO 10 MPH.  
MIXING HEIGHT.......100 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 12 TO 17 MPH.  
SMOKE DISPERSAL.....POOR (1300 KNOT-FT) MOST OF THE NIGHT.  
LVORI...............2.  
ADI.................5.  
 
TIME (CDT) 5PM 6PM 7PM 8PM 9PM 10P 11P MID 1AM 2AM 3AM 4AM  
SKY (%).........31 35 29 29 33 54 65 68 70 68 66 64  
WEATHER COV..... SCH SCH SCH SCH  
WEATHER TYPE.... RW RW RW RW  
TSTM COV........  
TEMP............69 68 62 60 58 57 56 55 55 55 55 55  
RH..............27 30 41 44 47 51 51 55 55 55 55 55  
20 FT WIND DIR..SW SW S S S S S S S S SW SW  
20 FT WIND SPD..5 4 5 5 6 7 7 8 9 10 10 10  
20 FT WIND GUST.11 10 7 7 9 10 11 12 13 14 15 15  
MIX HGT (KFT)...4.4 2.3 0.6 0.1 0.2 0.5 0.5 0.5 0.6 0.7 0.8 0.9  
TRANSP WIND DIR.SW SW S S S S SW SW SW SW SW SW  
TRANSP WIND SPD.17 14 12 12 14 15 15 16 16 16 17 17  
LVORI...........1 2 2 2 2 2 2 2 2 2 2 2  
ADI.............90 6 5 5 9 13 13 14 14 14 15 15  
SDSPL KT-FT/100066 28 6 1 3 7 7 7 8 9 12 13  
   
SATURDAY
 
 
SKY/WEATHER.........PARTLY SUNNY (60-70 PERCENT). SLIGHT CHANCE OF  
RAIN SHOWERS AND THUNDERSTORMS.  
TEMPERATURE.........MAX 74.  
RH..................MIN 46 PERCENT.  
WIND (20 FT)........SOUTHWEST WINDS 10 TO 13 MPH WITH GUSTS TO  
AROUND 19 MPH. GUSTY AND ERRATIC WINDS EXPECTED  
NEAR THUNDERSTORMS LATE IN THE AFTERNOON.  
MIXING HEIGHT.......4400 FT AGL.  
TRANSPORT WINDS.....SOUTHWEST 17 TO 24 MPH.  
SMOKE DISPERSAL.....GOOD (86000 KNOT-FT) IN THE AFTERNOON.  
LVORI...............2.  
ADI.................66.  
 
TIME (CDT) 5AM 6AM 7AM 8AM 9AM 10A 11A 12P 1PM 2PM 3PM 4PM  
SKY (%).........65 67 68 64 61 57 57 57 57 58 59 60  
WEATHER COV.....SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH SCH  
WEATHER TYPE....RW RW RW RW RW RW RW RW RW RW RW RW  
TSTM COV........ SCH  
TEMP............55 54 55 57 59 62 65 68 70 71 72 72  
RH..............55 59 59 59 60 58 54 51 49 47 46 46  
20 FT WIND DIR..SW SW SW SW SW SW SW SW SW SW W W  
20 FT WIND SPD..10 10 10 10 10 11 11 10 10 10 9 9  
20 FT WIND GUST.15 15 15 16 17 17 16 15 15 15 15 14  
MIX HGT (KFT)...0.9 0.9 1.0 1.3 1.8 2.3 3.1 3.8 4.3 4.4 4.1 3.5  
TRANSP WIND DIR.SW SW SW SW SW SW SW SW SW SW SW SW  
TRANSP WIND SPD.17 17 18 21 23 24 24 24 23 22 21 20  
LVORI...........2 2 2 1 1 1 1 1 1 1 1 1  
ADI.............15 21 24 32 41 50 58 65 66 63 58 51  
SDSPL KT-FT/100014 14 17 24 35 48 64 80 86 83 74 60  
 

 
FORECASTER...DLM  
REQUESTED BY...JEREMY KOLAKS  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2408819.0/LMK  
.DELDT 03/28/24  
.FORMATTERVERSION 2.0.0  
.EMAIL JEREMY.KOLAKS@USDA.GOV  
 
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